<!DOCTYPE html>
<html lang="en">

<head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <meta http-equiv="X-UA-Compatible" content="ie=edge">
      <title>Document</title>
      <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
      <link rel="stylesheet" href="https://v3.bootcss.com/examples/signin/signin.css">
      <link rel="stylesheet" href="./styles/login.css">
</head>

<body>
      <div class="container">
            <form class="form-signin" action="javascript:void(0)">
                  <!--  标题 -->
                  <h2 class="form-signin-heading">请登录</h2>
                  <!-- 用户名 -->
                  <label for="inputUsr" class="">用户名</label>
                  <input type="text" id="inputUsr" class="form-control" placeholder="用户名"  autofocus>
                  <!-- 密码部分 -->
                  <label for="inputPassword" class="">密码</label>
                  <input type="password" id="inputPassword" class="form-control" placeholder="请输入密码" >
                 
                  <button id="login" class="btn btn-lg btn-primary btn-block" type="submit">登录</button>
            </form>
      </div> <!-- /container -->

      <script src="./javascripts/libs/common.js"></script>
      <script src="./javascripts/login.js"></script>
</body>
</html>